Spelling suggestions: "subject:"silicification stock""
1 |
The Preparation of Stones of Walker County, Texas for Use as Sets in JewelryPledger, Leon Monroe 08 1900 (has links)
Since the East Texas area has many minerals in the categories which yield semiprecious stones of commercial value--jasper, wood agate, wood opal, and silicified stone, the author undertook this study to determine: (1) the extent which these minerals could be utilized as sources for gems; (2) the equipment necessary for cutting and polishing the stones; and (3) the techniques for finishing the gems.
|
Page generated in 0.0422 seconds